High selectivity X-band planar diplexer with symmetrical box-section filters Alejandro Garc´a Lamp´ rez, Magdalena Salazar Palma i e Dpto. Se~ ales, Sistemas y Radiocomunicaciones, n ETSI Telecomunicaci´ n, Universidad Polit´ cnica de Madrid, o e Ciudad Universitaria S/N, 28040 Madrid, Spain Tel: +34 913367358, e-mail: lamperez-ieee.org Abstract -- Coupled resonator filters with asymmetrical freq

Behaviour of a TWTA with a Single or Multicarrier Input Signal for Telecommunication Applications C. LAPORTE, L. LAPIERRE, A. MALLET, A. ANAKABE Centre National d'Etudes Spatiales, 18, avenue Edouard Belin ­ 31401 Toulouse cedex 9, France e-mail: christophe.laporte-cnes.fr ­ (33) 5 61 28 13 24 / Fax:(33) 5 61 28 26 13 Abstract -- This paper deals with the evaluation of the traditional Travelling

Improved Concepts for the Generation and the Measurement of Highly Linear Frequency Ramps Thomas Musch KROHNE Messtechnik GmbH & Co. KG, Ludwig-Krohne-Straße 5, D-47058 Duisburg, Germany Tel.: +49 234 32-26496, Fax: +49 234 32-14167, Email: Thomas.Musch-rub.de Abstract-- A fractional ramp generator with an improved linearity and phase noise performance is presented. The fractional ramp synthesizer

High Q-Factor of Coplanar Waveguide on Low-k Polymer Layer Fouad Bouchriha, David Dubuc, David Bourrier, Laurent Bary, Robert Plana and Katia Grenier LAAS-CNRS, 7. Avenue du Colonel Roche, 31077 Toulouse Cedex 4, France Phone : +33-5-61-33-69-40, Fax : +33-5-61-33-69-69, E-mail : bouchriha-laas.fr, grenier-laas.fr Abstract -- In this paper, technological solutions based on the use of thick low-k

DSP-Based Technique for Power Efficiency Improvement in Low-IF 5 GHz WLAN Transmitter M. Helaoui1, S. Boumaiza2, A. Ghazel1, and F. M. Ghannouchi2 2 École Supérieure des Communications de Tunis, Parc technologique, El Ghazela, 2083, Ariana, Tunisia. Electrical an Computer Engineering Department, The University of Calgary, 2500 University Dr., Calgary, Canada this method is limited by the amplifie

Box-section band pass filter with planar slow-wave resonators Alejandro Garc´a Lamp´ rez1, Sergio Llorente Romano1, Magdalena Salazar Palma1, Tapan K. Sarkar2 i e Se~ ales, Sistemas y Radiocomunicaciones, n ETSI Telecomunicaci´ n, Universidad Polit´ cnica de Madrid, o e Ciudad Universitaria S/N, 28040 Madrid, Spain Tel: +34 913367358, e-mail: lamperez-ieee.org 2 Dept. of ECE, Syracuse University,

Oblique-Oblique Projection in TLM-MOR for High-Q Structures Dzianis Lukashevich and Peter Russer Munich University of Technology, Institute for High-Frequency Engineering, Arcisstraße 21, 80333 Munich, Germany, E-mail: lukashevich-tum.de, russer-tum.de second projection of the TLM-system can be performed to extract only eigenvalues corresponding to a needed frequency band. The oblique-oblique proj

Bulk Acoustic Wave Coupled Resonator Filters Synthesis Methodology A. A. Shirakawa, J-M. Pham, P. Jarry, E. Kerherve IXL Microelectronics Laboratory ­ UMR 5818 CNRS ­ University of Bordeaux 351, Cours de la Liberation ­ 33405 Talence cedex ­ France Phone : +33 (0) 540 002 611 / Fax : +33 (0) 556 371 545 / e-mail : shirakawa-ixl.fr Abstract-- This paper presents a synthesis methodology applied to B

Influence of Envelope impedance termination on RF behaviour of GaN HEMT power devices B. Bunz, A. Ahmed and G. Kompa University of Kassel, Fachgebiet Hochfrequenztechnik Wilhelmshöher Allee 73, D-34121 Kassel, Germany, Tel: +49-561-804-6535, Fax: -6529 E-mail: bunz-hfm.e-technik.uni-kassel.de, http://www.uni-kassel.de/fb16/hft/bunz.html Abstract ­ The influence of envelope source and load termina

On the Design of a Multi-Mode Receive Digital-Front-End for Cellular Terminal RFICs Research Gernot Hueber , Linus Maurer Georg Strasser , Rainer Stuhlberger¶ , Karim Chabrak§, and Richard Hagelauer Institute for Integrated Circuits (RIIC), Johannes Kepler University, Altenbergerstrasse 69, A-4040 Linz, Austria, +43 732 2468 7120, Email: hueber-riic.at Danube Integrated Circuits Engineering (DI